D) a Congress and Supreme Court
The policy contributed most to the nuclear arms race was Mutual Assured Destruction
This means that both sides knew that any attack upon the other would be devastating to themselves, therefore restraining them from attacking the other. Each side possesses enough nuclear weapons to obliterate the other side that causes them to restrain from attacking afraid of the annihilation.
I would say B) and D) apply to some of the differences between a Prime Minister and a President and also A). In addition, a Prime Minister is head of the government but may not be head of the state which may be a President in the same country or perhaps a Governor General.
He improved business and trade
Answer:
b
. the astrolabe
c
. steam-powered ships
d
. the magnetic compass
Explanation:
The Age of Exploration was a period in the history of Europe where there was major overseas exploration and discoveries such as the Americas.
This period was between the 1400s and 1500s and some of the tools that were available for the Europeans that helped them explore the world were the astrolabe, steam-powered ships like the caravel, and the magnetic compass.